CN110180677A - A kind of ore dressing high gradient magnetic separator energy-saving remodeling method - Google Patents
A kind of ore dressing high gradient magnetic separator energy-saving remodeling method Download PDFInfo
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- CN110180677A CN110180677A CN201910554174.5A CN201910554174A CN110180677A CN 110180677 A CN110180677 A CN 110180677A CN 201910554174 A CN201910554174 A CN 201910554174A CN 110180677 A CN110180677 A CN 110180677A
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- high gradient
- magnetic separator
- gradient magnetic
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
Abstract
A kind of ore dressing high gradient magnetic separator energy-saving remodeling method, transform solenoid type high gradient magnetic separator in the prior art as magneto high gradient magnetic separator, can be applied in the selected beneficiation flowsheet of the strong magnetic of most of roughing or low intensity magnetic separation or part；Electromagnetic coil and its control system are eliminated, solenoid type high gradient magnetic separator in the prior art is solved and consumes energy big technical problem；Eliminate complicated cooling system in solenoid type high gradient magnetic separator in the prior art, simplify the labyrinth of magnetic separator, it is transformed on existing solenoid type high gradient magnetic separator, particularly for transformation electromagnetic coil group, the waste and old magnetic separator of coil case and cooling system damage, reduce the cost for purchasing equipment again, its improved structure is simple, reduces accessories manufacturing cost, and control simplicity reduces the use and maintenance cost of equipment.
Description
Technical field
The present invention relates to a kind of remodeling method of high gradient magnetic separator, more particularly, to one kind for from fluid ore pulp into
The energy-saving of the high gradient magnetic separator of row magnetic separation is transformed.
Background technique
It carries out magnetic separation to minerals using magnetic field in the history that mankind's mineral extract to have been one hundred years of history, just
The magnetic separator of phase is not widely used due to the restriction of the basic science such as theoretical and material development.It was opened from 1855
Begin after generating magnetic field using electromagnet, the theory and practice of magnetic separator is just gradually improved, and has emerged in industry various types of
Industrial magnetic plant, magnetic method are just widely used in terms of the ore dressing of iron ore.After nineteen sixties,
With the continuous development of material science, the magnetic field strength of permanent-magnet material is more and more stronger, and some magnetic separators gradually start using permanent magnetism
Body carries out magnetic separation, especially weak magnetic separator gradually permanent magnetism.
High gradient magnetic separator is the magnetic separation technique that later 1960s early seventies grow up, main
Feature is exactly: the magnetic medium of magnetic conduction being filled in the inner cavity of spiral magnetic system as separating medium.Since magnetic separation medium is in magnetic
Change can generate very high magnetic field gradient and intensity when reaching saturation state, and have very big collecting area, thus adaptation range
Greatly, especially for the collecting to fine particle.With reference to attached drawing 1, what high gradient magnetic separator in the prior art mostly used is
Electromagnetic coil group 0-3, its advantage is that magnetic field strength that is easy to control, generating is big, can achieve 1.5T or more for generating magnetic field,
And magnetic field strength can be adjusted by adjusting size of current, disadvantage generates magnetic it is also obvious that due to using electromagnetic coil
Very big electric current is needed when field, it is famous electricity-eating tiger that power consumption is huge, due to not all in mineral magnetic separation field
Magnetic dressing process require using 1.5T or more magnetic field carry out magnetic separation therefore adopted in the occasion of many roughings or low intensity magnetic separation
It often " is wasted one's talent on a petty job " with electromagnetic coil type high gradient magnetic separator.Moreover, due to whirlpool while coil is powered and generates magnetic field
The reasons such as stream effect can also generate huge heat, it is necessary to which controlling calorific value machine could operate normally, using electromagnetic coil magnetic
The high gradient magnetic separator of choosing is required to be equipped with the oil cooling or water cooling circulatory system 0-7 of a set of complexity, it is also desirable to which one huge
The shell 0-4 with oil channel structures and sealing for containing electromagnetic coil group 0-3, which further improves high gradient magnetic separators
Complexity and manufacturing cost.Lacking in the prior art a kind of can reduce existing high gradient magnetic separator energy consumption and complexity
The remodeling method of degree.
Summary of the invention
To solve the above-mentioned problems, due to being as previously mentioned the continuous development with material science, permanent-magnet material
Magnetic field strength is more and more stronger, such as the magnetic materials such as rubidium iron boron its magnetic field strengths that can achieve 1T or so, can answer completely
For most of roughing or low intensity magnetic separation field and part high intensity magnetic separation field, permanent-magnet material is applied to high gradient by the present invention
In magnetic separator, a kind of ore dressing high gradient magnetic separator energy-saving remodeling method is had devised, its technical solution is as follows:
A kind of ore dressing high gradient magnetic separator energy-saving remodeling method is applied to solenoid type high gradient magnetic separator, institute
Stating solenoid type high gradient magnetic separator includes: upper pipe, magnetic separation chamber, electromagnetic coil group, coil case, support, lower tube
Road, cooling system；It is characterized by comprising following repacking steps:
(1) the solenoid type high gradient magnetic separator is powered off, the intracavitary ore pulp of the magnetic separation is discharged completely, by institute
The coolant drain stated in cooling system and the coil case is clean, will connect with the upper pipe and the lower pipeline
Pipeline disconnect；
(2) related accessory outside the cooling system and the solenoid type high gradient magnetic separator is removed；
(3) coil case and the electromagnetic coil group and its related Control System are removed；
(4) upper support frame is installed on the support, lifting device, the promotion dress is installed on the upper support frame top
The traction rope set is in and collects state；
(5) upper pipe is temporarily removed, by helical pipe from the top of the magnetic separation chamber enclosure to trapping in institute
It states on magnetic separation chamber enclosure, the helical pipe is fixed by the upper support frame；
(6) upper pipe of the dismounting is reinstalled in magnetic separation chamber enclosure top and connected with the magnetic separation chamber
It is logical, catch tray is connected by pipeline in the lower end exit of the helical pipe；
(7) associated conduit valve is connected in the upper pipe；Associated conduit and valve are connected in the lower pipeline.
In the step (5) further include: several permanent magnets are attracting end to end in a manner of N-S or S-N, from the spiral
The top opening of pipeline is sequentially loaded into the helical pipe, described on the permanent magnet and the lifting device of rearmost end
Traction rope connection.
The cross section of the helical pipe in the step (5) is the opening circular section of C font, and opening direction is towards institute
Magnetic separation chamber enclosure is stated, allows the permanent-magnet in the helical pipe directly tight with the outer wall of the magnetic separation chamber enclosure
Contiguity touching；The helical pipe innermost layer is sliding layer, and sliding layer is made of macromolecule self-lubricating material, or is moistened using oil film
It is sliding, either use ball or roller structure.
The catch tray in the step (5) is freely slipped in the catch tray for collecting by gravity
The permanent-magnet is internally provided with collecting tank, and the collecting tank is arranged in snail, for guiding the permanent-magnet
It is arranged in planar spiral, facilitate the collection of the permanent-magnet and is promoted again.
The helix angle of the helical pipe in the step (5) is set as 10 ° -60 °, to facilitate the permanent-magnet logical
Gravity is crossed freely to be slipped in the catch tray.
Preferably, further include step (8), it is described in the entire ore dressing period for controlling that related automatic control equipment is installed
The lifting of lifting device and the opening and closing of each valve.
Preferably, the permanent-magnet is spherical, cylindrical or capsule shape；The permanent-magnet uses rubidium iron boron, samarium
The materials such as cobalt or permanent-magnet ferrite are made, by replacement different material and/or different number and/or different volumes and/or not
The permanent magnet of similar shape can obtain the magnetic field of varying strength.
Pipeline connection type in the step (7) is specifically, connection feed pipe and inlet valve, connection in the upper pipe
Water inlet pipe and inlet valve；Concentrate discharge nozzle and concentrate outlet valve, connection tailing discharge nozzle and tail are connected in the lower pipeline
Mine outlet valve；Setting concentrate collecting tank is exported in the concentrate discharge nozzle, setting tailing is exported in the tailing discharge nozzle and collects
Slot.
What it reached have the beneficial effect that can be by solenoid type high gradient magnetic separator in the prior art using this method
It transform magneto high gradient magnetic separator as, can be applied to the selected ore dressing of the strong magnetic of most of roughing or low intensity magnetic separation or part
In process；Electromagnetic coil and its control system are eliminated, solves solenoid type high gradient magnetic separator energy consumption in the prior art
Big technical problem；Complicated cooling system in solenoid type high gradient magnetic separator in the prior art is eliminated, is dropped
The low labyrinth of magnetic separator, is transformed on existing solenoid type high gradient magnetic separator, particularly for
The waste and old magnetic separator of electromagnetic coil group, coil case and cooling system damage is transformed, reduces the cost for purchasing equipment again,
Improved structure is simple, reduces accessories manufacturing cost, and control simplicity reduces the use and maintenance cost of equipment.
Detailed description of the invention
Fig. 1 is solenoid type high gradient magnetic separator primary structure figure；
Fig. 2 is improved energy-saving high gradient magnetic separator primary structure figure；
Fig. 3 is helical pipe planing surface figure when improved energy-saving high gradient magnetic separator loads magnetic field；
Fig. 4 be magnetic separation portion planing surface figure when improved energy-saving high gradient magnetic separator loads magnetic field and helical pipe and
Magnetic separation cavity wall partial enlarged view；
Fig. 5 is catch tray main planing surface figure when improved energy-saving high gradient magnetic separator eliminates magnetic field；
Catch tray top view when Fig. 6 (a) is load magnetic field, Fig. 6 (b) are catch tray top view when eliminating magnetic field；
Fig. 7 is permanent-magnet shape and connected mode schematic diagram；
Fig. 8 is reconstruction flow figure；
Fig. 9 is to use double-stranded improved energy-saving high gradient magnetic separator primary structure figure；
0, solenoid type high gradient magnetic separator；0-1, upper pipe；0-2, magnetic separation chamber；0-3, electromagnetic coil group；0-4,
Coil case；0-5, support；0-6, lower pipeline；0-7, cooling system；
1, rack；1-1, lower base；1-2, upper support frame；
2, magnetic separation portion；2-1, magnetic separation cavity wall；2-2, magnetic separation medium；
3, magnetic system；3-1, helical pipe；3-2, catch tray；3-2-1, collecting tank；3-3, traction rope；3-4, lifting device；
3-5, permanent-magnet；
4, feed pipe；4-1, inlet valve；
5, water inlet pipe；5-1, inlet valve；
6, concentrate discharge nozzle；6-1, concentrate outlet valve；
7, tailing discharge nozzle；7-1, tailing outlet valve；
8, tailing collecting tank；9, concentrate collecting tank；
Specific embodiment
Embodiment one
Referring to attached drawing 2, a kind of energy-saving high gradient magnetic separator of ore dressing by transformation, including rack 1, magnetic separation portion 2, magnetic
It is 3 and pipe-line system and collection portion；Rack 1 includes lower base 1-1 and upper support frame 1-2.
Magnetic separation portion 2 is installed on lower base 1-1, and magnetic system 3 is fixedly mounted on the outer of magnetic separation portion 2 by upper support frame 1-2
Portion；Magnetic separation portion 2 is the cavity body structure of inner hollow, has magnetic separation cavity wall 2-1, magnetic conduction or paramagnetic material is used to be made, such as
Magnetic stainless steel；Magnetic separation medium 2-2 is provided in the magnetic separation chamber in magnetic separation portion 2, magnetic separation medium 2-2 is that the tooth plate of interval filling is situated between
Pole medium, the spherical medium closely filled, the mesh medium closely filled or the steel wool closely filled that matter, interval fill
Medium.
Referring to attached drawing 2-4, magnetic system 3 includes helical pipe 3-1, catch tray 3-2, traction rope 3-3, lifting device 3-4 and forever
Magnetic magnet 3-5；Helical pipe 3-1, which is fitted in outside magnetic separation portion 2, rises arrangement in closing twist, and helix angle is set as 10 ° -60 °,
It is freely slipped in catch tray 3-2 in permanent-magnet 3-5 by gravity with facilitating；Helical pipe 3-1 inner tight sequence
It is arranged with several permanent-magnets 3-5, the cross section of helical pipe 3-1 is the opening circular section of C font, and opening direction is towards magnetic
Portion 2 is selected, the permanent-magnet 3-5 in helical pipe 3-1 is directly in close contact with the outer wall in magnetic separation portion 2；Helical pipe
3-1 innermost layer is sliding layer, and sliding layer is made of macromolecule self-lubricating material, such as the materials such as polytetrafluoroethylene (PTFE) or polyformaldehyde
Material, perhaps using film lubrication or using ball or roller structure.
Referring to attached drawing 4,5,7, permanent-magnet 3-5 is spherical, cylindrical or capsule shape, and each permanent-magnet 3-5 is end to end
It is attracted each other in the form of N-S or S-N, the permanent-magnet 3-5 and traction rope 3-3 of forefront link together, each spiral
Permanent-magnet 3-5 in pipeline 3-1 passes through the opening for the opening circular section that its cross section is C font and the outer wall in magnetic separation portion 2
Contact, permanent-magnet 3-5 are made of the materials such as rubidium iron boron, SmCo, permanent-magnet ferrite, by replace different material and/or
Different number and/or different volumes and/or permanent magnet of different shapes are to obtain the magnetic field of varying strength.
Lifting device 3-4 is mounted on the top of upper support frame 1-2, for pulling or discharging traction rope 3-3, to realize
It is promoted or release permanent-magnet 3-5, the opening that traction rope 3-3 passes through at the top of helical pipe 3-1 protrudes into the interior of helical pipe 3-1
Portion is connected with the permanent-magnet 3-5 of forefront, and lifting device 3-4 is preferably electric capstan, it can also be under special circumstances
Hand winch.
Referring to attached drawing 5-6, catch tray 3-2, for collecting the permanent magnetism for passing through gravity and being freely slipped in catch tray 3-2
Magnet 3-5 is internally provided with collecting tank 3-2-1, and collecting tank 3-2-1 is arranged in snail, for guiding permanent-magnet 3-5
It is arranged in planar spiral, facilitates the promotion again of the collection sum of permanent-magnet 3-5.
Referring to attached drawing 2-5, pipe-line system is by feed pipe 4, inlet valve 4-1, water inlet pipe 5, inlet valve 5-1, concentrate discharge nozzle
6, concentrate outlet valve 6-1, tailing discharge nozzle 7 and tailing outlet valve 7-1 composition；The magnetic separation chamber top in magnetic separation portion 2 and feed pipe 4 with
And water inlet pipe 5 is connected to, inlet valve 4-1 is installed on feed pipe 4 for controlling charging, and inlet valve 5-1 is installed on water inlet pipe 5 and uses
It intakes in control；The magnetic separation chamber lower part in magnetic separation portion 2 is connected to concentrate discharge nozzle 6 with tailing discharge nozzle 7, concentrate outlet valve 6-1 peace
Loaded on, for controlling concentrate discharging, tailing outlet valve 7-1 is installed on tailing discharge nozzle 7 for controlling tail on concentrate discharge nozzle 6
Mine discharging.
Collection portion includes tailing collecting tank 8 and concentrate collecting tank 9, and concentrate collecting tank 9 is for collecting the discharge of concentrate discharge nozzle 6
Concentrate, tailing collecting tank 8 be used for collect tailing discharge nozzle 7 discharge tailing
The working principle and control method of the device are as follows:
When starting magnetic separation, drive traction rope 3-3 by several arrangement bunchiness in magnetic system 3 by lifting device 3-4 first
Permanent-magnet 3-5 promoted along helical pipe 3-1 to the top of helical pipe 3-1, magnetic separation chamber of the magnetic system 3 in magnetic separation portion 2 at this time
Middle formation magnetic field, and the magnetic separation medium 2-2 in 2 magnetic separation chamber of magnetic separation portion is magnetized, so that its magnetization is reached saturation state, forms high ladder
Spend magnetic field.
Then the inlet valve 4-1 on feed pipe 4 is opened, the tailing outlet valve 7-1 on tailing discharge nozzle 7, water inlet pipe 5 are opened
On inlet valve 5-1 and concentrate discharge nozzle 6 on concentrate outlet valve 6-1 remain turned-off, to the ore pulp of magnetic separation, (concentration is at this time
It 20%-50%) is flowed at a slow speed by feed pipe 4 in the magnetic separation chamber in magnetic separation portion 2, the magnetic-particle in ore pulp is attracted to by magnetic
On the magnetic separation medium 2-2 (such as steel wool) of change, remaining ore pulp is discharged to tail by the tailing outlet valve 7-1 of tailing discharge nozzle 7
In mine collecting tank 8, this is to the mine stage；
After a period of time has passed, the magnetic-particle absorption on magnetic separation medium 2-2 closes inlet valve 4-1 close to saturation, into
Expects pipe 4 stops feed, opens the inlet valve 5-1 on water inlet pipe 5, and addition clear water will be attached to non magnetic on magnetic separation medium 2-2
Particle rinses away, and the slurry flushed out is equally discharged in tailing collecting tank 8 from the tailing outlet valve 7-1 of tailing discharge nozzle 7,
This is rinse stage；
Finally, closing the tailing outlet valve 7-1 of tailing discharge nozzle 7, traction rope 3-3, magnetic system are discharged by lifting device 3-4
The permanent-magnet 3-5 that bunchiness is arranged in 2 slides downwards along helical pipe 3-1 into catch tray 3-2, the magnetic separation in the portion of magnetic separation at this time 2
Magnetic field in chamber disappears, and gradually demagnetization loses magnetism magnetic separation medium 2-2, and the inlet valve 5-1 being again turned on water inlet pipe 5 is passed through
High pressure clear water cleans magnetic separation medium 2-2, and the magnetic-particle on magnetic separation medium 2-2 is rinsed, and opens concentrate discharging
Concentrate outlet valve 6-1 on pipe 6, magnetic-particle are discharged in concentrate collecting tank 9 by concentrate outlet valve 6-1, this is rinse stage.
Complete the above process i.e. realize a duty cycle, complete the period work after, can from the beginning under
The ore dressing of a cycle, whole process can be carried out by control system by program, or can pass through manpower under specific condition
It manually completes.Complete a magnetic separation period needs 20~30 minutes.
Embodiment two
A kind of transforming ore dressing in the prior art in embodiment one with solenoid type high gradient magnetic separator as ore dressing
With the remodeling method of energy-saving high gradient magnetic separator, with reference to attached drawing 1-9, this method is applied to solenoid type high gradient magnetic separator
0 comprising: upper pipe 0-1, magnetic separation chamber 0-2, electromagnetic coil group 0-3, coil case 0-4, support 0-5, lower pipeline 0-6,
Cooling system 0-7；This method has following repacking step:
(1) solenoid type high gradient magnetic separator 0 is powered off, the ore pulp in magnetic separation chamber 0-2 is discharged completely, by cooling system
Coolant liquid (such as the oil or water) discharge united in 0-7 and coil case 0-4 is clean, will be with upper pipe 0-1 and lower pipeline 0-6
The pipeline of connection disconnects；
(2) cooling system 0-7 and 0 outside related accessory of solenoid type high gradient magnetic separator are removed；
(3) coil case 0-4 and electromagnetic coil group 0-3 and its related Control System are removed；
(4) upper support frame 1-2 is installed on support 0-5, lifting device 3-4 is installed on the top upper support frame 1-2, promotes dress
It sets traction rope 3-3 on 3-4 and is in and collect state；
(5) upper pipe 0-1 is temporarily removed, by helical pipe 3-1 from the top of magnetic separation chamber 0-2 shell to trapping in magnetic
It selects on chamber 0-2 shell, helical pipe 3-1 is fixed by upper support frame 1-2；By several permanent magnet 3-5 with the side of N-S or S-N
Formula is attracting end to end, is sequentially loaded into helical pipe 3-1 from the top opening of helical pipe 3-1, the permanent magnet 3-5 of rearmost end and mentions
Rise the traction rope 3-3 connection on device 3-4；
(6) the upper pipe 0-1 of dismounting is reinstalled in magnetic separation chamber 0-2 shell upper and is connected to magnetic separation chamber 0-2,
The lower end exit of helical pipe 3-1 connects catch tray 3-2 by pipeline；
(7) feed pipe 4 and inlet valve 4-1 are connected on upper pipe 0-1, connect water inlet pipe 5 and inlet valve 5-1；Under
Concentrate discharge nozzle 6 and concentrate outlet valve 6-1, connection tailing discharge nozzle 7 and tailing outlet valve 7-1 are connected on portion pipeline 0-6；In essence
Setting concentrate collecting tank 9 in the outlet of mine discharge nozzle 6 exports setting tailing collecting tank 8 in tailing discharge nozzle 7.
(8) related automatic control equipment is installed and is used to control the lifting of the lifting device 3-4 in the entire ore dressing period and each
The opening and closing of a valve.
Embodiment three
Referring to attached drawing 9, a kind of enhanced ore dressing low consumed power energy saving high gradient magnetic separator, on the basis of embodiment 1
On be further added by a helical pipe 3-1 and its catch tray 3-2 to match, traction rope 3-3, lifting device 3-4 and permanent-magnet magnetic
Body 3-5, using double-layer spiral pipeline, two helical pipes are oppositely oriented, the permanent-magnet 3-5 head in two helical pipe 3-1
Tail attracts order of polarity on the contrary, so that magnetic system 3 can generate the magnetic induction line being superimposed in the same direction in the magnetic separation chamber in magnetic separation portion 2, is used for
The intensity that magnetic field is formed in the magnetic separation chamber in magnetic separation portion 2 is improved, working principle and control method are identical as in embodiment 1.
It above are only the preferred embodiment and institute's application technology principle of invention, anyone skilled in the art
In the technical scope disclosed by the present invention, the change or replacement embodiment being readily apparent that should all cover in protection of the invention
In range.
Claims (8)
1. a kind of ore dressing high gradient magnetic separator energy-saving remodeling method is applied to solenoid type high gradient magnetic separator, described
Solenoid type high gradient magnetic separator include: upper pipe, magnetic separation chamber, electromagnetic coil group, coil case, support, lower pipeline,
Cooling system；It is characterized by comprising following repacking steps:
(1) the solenoid type high gradient magnetic separator is powered off, the intracavitary ore pulp of the magnetic separation is discharged completely, it will be described cold
But the coolant drain in system and the coil case is clean, the pipe that will be connect with the upper pipe and the lower pipeline
Road disconnects；
(2) related accessory outside the cooling system and the solenoid type high gradient magnetic separator is removed；
(3) coil case and the electromagnetic coil group and its related Control System are removed；
(4) upper support frame is installed on the support, on upper support frame top installation lifting device, the lifting device
Traction rope be in collect state；
(5) upper pipe is temporarily removed, by helical pipe from the top of the magnetic separation chamber enclosure to trapping in the magnetic
It selects on chamber enclosure, the helical pipe is fixed by the upper support frame；
(6) upper pipe of the dismounting is reinstalled in magnetic separation chamber enclosure top and is connected to the magnetic separation chamber,
The lower end exit of the helical pipe connects catch tray by pipeline；
(7) associated conduit valve is connected in the upper pipe；Associated conduit and valve are connected in the lower pipeline.
2. a kind of ore dressing according to claim 1 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: described
In step (5) further include: several permanent magnets are attracting end to end in a manner of N-S or S-N, it is opened at the top of the helical pipe
Mouth is sequentially loaded into the helical pipe, and the permanent magnet of rearmost end is connected with the traction rope on the lifting device.
3. a kind of ore dressing according to claim 2 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: described
The cross section of the helical pipe in step (5) is the opening circular section of C font, and opening direction is towards outside the magnetic separation chamber
Shell is in close contact the permanent-magnet in the helical pipe directly with the outer wall of the magnetic separation chamber enclosure；Institute
Stating helical pipe innermost layer is sliding layer, and sliding layer is made of macromolecule self-lubricating material, perhaps uses film lubrication or adopts
With ball or roller structure.
4. a kind of ore dressing according to claim 2 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: described
The catch tray in step (5) is used to collect the permanent-magnet magnetic being freely slipped to by gravity in the catch tray
Body is internally provided with collecting tank, and the collecting tank is arranged in snail, for guiding the permanent-magnet to be arranged in plane
Spiral shape facilitates the collection of the permanent-magnet and is promoted again.
5. a kind of ore dressing according to claim 2 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: described
The helix angle of the helical pipe in step (5) is set as 10 ° -60 °, to facilitate the permanent-magnet to pass through gravity certainly
By being slipped in the catch tray.
6. a kind of ore dressing according to claim 2 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: also wrap
It includes step (8), related automatic control equipment is installed and is used to control the lifting of the lifting device in the entire ore dressing period and each
The opening and closing of a valve.
7. a kind of ore dressing according to claim 2 high gradient magnetic separator energy-saving remodeling method, it is characterised in that: described
Permanent-magnet is spherical, cylindrical or capsule shape；The permanent-magnet is using materials such as rubidium iron boron, SmCo or permanent-magnet ferrites
It is made, it can by replacing different material and/or different number and/or different volumes and/or the permanent magnet of different shapes
To obtain the magnetic field of varying strength.
8. a kind of ore dressing high gradient magnetic separator energy-saving remodeling method described in -7 according to claim 1, it is characterised in that: institute
Pipeline connection type in step (7) is stated specifically, connecting feed pipe and inlet valve in the upper pipe, connect water inlet pipe and into
Water valve；Concentrate discharge nozzle and concentrate outlet valve, connection tailing discharge nozzle and tailing outlet valve are connected in the lower pipeline；?
The concentrate discharge nozzle outlet setting concentrate collecting tank exports setting tailing collecting tank in the tailing discharge nozzle.
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| CN201910554174.5A CN110180677B (en) | 2019-06-25 | 2019-06-25 | Energy-saving transformation method for high-gradient magnetic separator for mineral separation |
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| CN201910554174.5A CN110180677B (en) | 2019-06-25 | 2019-06-25 | Energy-saving transformation method for high-gradient magnetic separator for mineral separation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159672A (en) * | 2023-03-01 | 2023-05-26 | 湖南中科电气股份有限公司 | Magnetic separation system based on graphitized material sorting |
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| CN109277191A (en) * | 2018-08-13 | 2019-01-29 | 侯红星 | A kind of herb powder exclusion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS55109417A (en) * | 1979-02-13 | 1980-08-22 | Atomic Energy Authority Uk | Method of forming collecting body used for magnetic separator |
| CN105381875A (en) * | 2015-12-04 | 2016-03-09 | 赣州金环磁选设备有限公司 | Slurry high gradient magnetic separator without being dismantled and cleaned and quadruple washdown front and back cleaning method thereof |
| WO2017162865A1 (en) * | 2016-03-24 | 2017-09-28 | Air Bp Limited | Viewing system for fluid vessel |
| CN109277191A (en) * | 2018-08-13 | 2019-01-29 | 侯红星 | A kind of herb powder exclusion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116159672A (en) * | 2023-03-01 | 2023-05-26 | 湖南中科电气股份有限公司 | Magnetic separation system based on graphitized material sorting |
| CN116159672B (en) * | 2023-03-01 | 2024-01-05 | 湖南中科电气股份有限公司 | Magnetic separation system based on graphitized material sorting |
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| CN110180677B (en) | 2020-11-13 |
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